{
  "pools": {
    "A": {
      "servers": [ "localhost:12345:caret" ]
    },
    "B": {
      "servers": [ "localhost:12346:caret" ]
    }
  },
  "route": {
    "type": "L1L2SizeSplitRoute",
    "l1": "PoolRoute|A",
    "l2": "PoolRoute|B",
    "threshold": 8,
    "both_full_set": false,
    "retries": 3
  }
}
